tìmùtìmù noun /tì.mũ̀.tì.mũ̀/
tìmìtìmì (alternative), tìmù-tìmù (alternative), tìm̀-tìm̀ (alternative)
Definitions
  1. mattress
  2. pillow, cushion
Source: Wiktionary, where this word is spelled “timutimu”. Reference: en-timutimu-yo-noun-CYIjtj73